/**********************************************************************
 * SailmiPIM - modular cross-platform feature Personal Information Manager Tools.
 * Copyright(C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 *(See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/

#ifndef TABMANAGER_H
#define TABMANAGER_H
#include <QObject>
#include <QStringList>
#include <QMap>
#include <QIcon>

class QAction;
class QIcon;
class QKeyEvent;
class QToolBar;
class QMenu;

namespace SailmiPIM
{
	class SeparateTabWidget;
	class MainWindow;

	class TabManager : public QObject
	{
		Q_OBJECT

		SeparateTabWidget *TabWidget_;
		MainWindow *Window_;
		QStringList OriginalTabNames_;
		QList<QKeyEvent*> Events_;
		QMap<QWidget*, QObject*> EmbedTabs_;
		QMenu *NewTabMenu_;
		QMap<QString, QList<QAction*>> Menus_;
	public:
		TabManager(SeparateTabWidget*, MainWindow*, QObject* = 0);

		QWidget* GetCurrentWidget() const;
		QWidget* GetWidget(int) const;
		QToolBar* GetToolBar(int) const;
		int GetWidgetCount() const;
		void ForwardKeyboard(QKeyEvent*);

		int FindTabForWidget(QWidget*) const;
	public slots:
		void rotateLeft();
		void rotateRight();
		void navigateToTabNumber();

		void add(const QString&, QWidget*);
		void add(const QString&, QWidget*,
				QIcon icon);
		void remove(QWidget*);

		/** Removes the tab at the given index. Calls
		 * remove(QWidget*) internally.
		 */
		void remove(int index);

		/** Translates the given widget into index and calls
		 * remove(int) internally.
		 */
		void removeByContents(QWidget*);
		void changeTabName(QWidget*, const QString&);
		void changeTabIcon(QWidget*, const QIcon&);
		void bringToFront(QWidget*) const;
		void handleCurrentChanged(int);
		void handleMoveHappened(int, int);
		void handleCloseAllButCurrent();
	private:
		void InvalidateName();

		QStringList GetOriginalNames() const;
		void SetOriginalNames(const QStringList&);
	signals:
		void currentTabChanged(QWidget*);
	};
};

#endif

